STIEBEL ELTRON WWK 222 Operation And Installation
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STIEBEL ELTRON WWK 222 Operation And Installation

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OPERATION AND INSTALLATION
DHW heat pump
» WWK 222
» WWK 222 H
» WWK 302
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Summary of Contents for STIEBEL ELTRON WWK 222

  • Page 1 OPERATION AND INSTALLATION DHW heat pump » WWK 222 » WWK 222 H » WWK 302 » WWK 302 H...

  • Page 2: Table Of Contents

    CONTENTS SPECIAL INFORMATION 14.3 WWK 222 H / WWK 302 H : Resetting the high limit safety cut-out ���������������������������������������������������� 30 OPERATION 14.4 Motor overload relay ������������������������������������������� 30 General information �����������������������������������������4 Maintenance ������������������������������������������������ 30 Safety instructions ����������������������������������������������� 4 15.1 Removing the appliance cover ������������������������������� 30 Other symbols in this documentation �����������������������...

  • Page 3: Special Information

    SpECial iNfOrmaTiON SpECial iNfOrmaTiON - Activate the valves at least every 6 months to pre- vent them from becoming blocked, e.g. by limes- cale deposits. - The appliance may be used by children over 8 - Drain the appliance as described in chapter "In- years of age and persons with reduced physical, stallation / Maintenance and cleaning / Draining sensory or mental capabilities or a lack of ex-...

  • Page 4: General Information

    OpEraTiON General information OpEraTiON Other symbols in this documentation Note General information is identified by the adjacent symbol. f Read these texts carefully. General information The chapters "Special information" and "Operation" are intended Symbol Meaning for both users and qualified contractors. The chapter "Installation" Material losses is intended for qualified contractors.

  • Page 5: General Safety Instructions ������������������������������������ 5 15.6 Valves

    OpEraTiON Safety General safety instructions Material losses The appliance should only be operated once it is fully installed At the factory, the appliance is fitted with rechargeable and all safety equipment has been fitted. batteries that ensure the power supply to the impressed current anode in the case of a power failure.

  • Page 6: Test Symbols

    OpEraTiON Appliance description Available amount of DHW Material losses The appliance's nominal maximum available amount of DHW is Operating the appliance outside the application limits designed for the recommended number of users with average (see chapter "Specification / Data table") is not permitted. user behaviour.

  • Page 7: Appliance Operation Outside The Application Limits

    Heat-up times are longer while the evaporator is defrost- ised. Pressure equalisation can take several minutes. ing. WWK 222 H  |  WWK 302 H : Electric emergency/booster heater 3.3.2 Ambient temperatures above the application limit When the temperature in the upper section of the DHW cylinder Outside the application limits, the appliance blocks the compres- drops 12 K below the selected set temperature, the appliance...

  • Page 8: Connection Of An External Signal Transmitter

    OpEraTiON Settings Settings Material losses At the factory, the appliance is fitted with rechargeable batteries that ensure the power supply to the impressed Material losses current anode in the case of a power failure. Optimum operation is achieved with the factory default In order for the impressed current anode to protect the settings.

  • Page 9: Display And Operating Controls

    OpEraTiON Settings Display and operating controls 4.3.1 Symbols Symbol Description Note Mixed water volume: The currently available mixed water volume at 15 seconds after every operation, the appliance automat- 40 °C and at 15 °C cold water temperature is shown. ically reverts to the default display (mixed water volume) Set temperature adjustment: Subject to intake temperature and and saves the set value.

  • Page 10: Adjusting The Settings

    Set value limit Note For hygiene and other reasons, only change this value if instructed by Stiebel Eltron representative.. Set temperature 1 is the DHW temperature to which the appliance regulates if no external signal transmitter is connected and active. Factory setting Set temperature  1...
  • Page 11 Only use the runtime-dependent quick heat-up if instruct- Set temperature 2 …  ed by a Stiebel Eltron representative. Enabling this function is likely to impact the efficiency of Note the product and may lead to unnecessary higher energy For hygiene reasons, do not set a DHW temperature of consumption and operational costs.
  • Page 12 "Charge level" parameter. Factory setting Charge level WWK 222 (H) Charge level WWK 302 (H) The displayed mixed water volume is based on a mixed water Set the runtime using the "Plus" and temperature of 40 °C.

  • Page 13: Rapid Heat-Up" Button

    OpEraTiON Settings "Rapid heat-up" button Press the "Rapid heat-up" button for two seconds. Note The "Electrical emergency/booster heat- In appliances with no electric emergency/booster heater, er" symbol appears. The "Service/fault" this button only allows you to clear the high pressure/low symbol flashes.

  • Page 14: Cleaning, Care And Maintenance

    OpEraTiON Cleaning, care and maintenance Cleaning, care and maintenance Troubleshooting Problem Cause f Remedy WARNING Electrocution No hot water No power at the appliance. Check that the appliance is con- - Only clean the exterior of the appliance. is available. nected to the power supply. - Never open the appliance.

  • Page 15: Troubleshooting

    OpEraTiON Troubleshooting Problem Cause f Remedy Fault description Remedy The “Electric A temperature controller has No action required. The appli- emergency/ switched off the electric emer- ance continues the rapid heat-up Continu- The integral sensor is Check that the plug is seated cor- booster heat- gency/booster heater during process using the heat pump.
  • Page 16 OpEraTiON Troubleshooting Fault description Remedy Fault description Remedy 256 Flashing Manually activated emer- See chapter “Appliance descrip- E 16 Continu- The high pressure No action required. gency mode (only electric tion / Emergency mode”. ously on switch has responded. Compressor heating emergency/booster heater active) mode is temporarily blocked.

  • Page 17: Installation

    iNSTallaTiON Safety iNSTallaTiON Additional accessories - Condensate pump (if the condensate cannot be drained off with a naturally occurring fall) Incorrect use Safety The following are not permitted: Only a qualified contractor should carry out installation, commis- - Operating the appliance when the casing is open sioning, maintenance and repair of the appliance.

  • Page 18: Storage

    iNSTallaTiON Preparation Installation site Vehicular transport Material losses Material losses The appliance must generally be stored and transported Observe the following list of requirements regarding the vertically. installation site. - Install the appliance where it will be exposed as little as pos- On tarmac, asphalt, bitumen or otherwise paved roads you may sible to strong direct wind, extreme rain, sun or snow, but transport the appliance horizontally over a maximum distance of...

  • Page 19: Siting The Appliance

    iNSTallaTiON Preparation Siting the appliance Examples of unacceptable  installations f Carefully undo the cardboard packaging at the clips. Atmospheres containing am- Sewage works, pigsties monia Substances which block the Air containing oil or fat, dust (cement, flour, evaporator etc.). Note: If the air contains hairspray (e.g.

  • Page 20: Installation

    iNSTallaTiON Installation 10. Installation Material losses The appliance must be positioned vertically to avoid WARNING Injury damage. Incorrect installation can lead to serious injury or ma- The appliance has height-adjustable feet below its base. terial losses. f Level the appliance horizontally using the height-ad- Before any work, ensure sufficient clearances for instal- justable feet.

  • Page 21: Condensate Drain

    iNSTallaTiON Installation 10.1.1 Safety equipment 10.1.2 Pressure reducing valve A T&P valve or a cold water expansion control valve, or both, must The maximum pressure in the cold water supply line must be at be installed. Observe local and regional regulations. least 20 % below the lowest response pressure of all installed T&P valves.

  • Page 22: Electrical Connection

    iNSTallaTiON Installation Condensate pan heater Material losses Install a residual current device (RCD). Material losses If the temperature at the installation site could continu- ously fall below freezing (1 - 2 days) you should install Material losses a condensate pan heater. The condensate pan heater is The specified voltage must match the mains voltage.
  • Page 23 iNSTallaTiON Installation 10.3.2 Separate power supply to the impressed current anode f Connect the cables for the separate power supply to the im- pressed current anode to X0/1 and X0/2. At the factory, the appliance is fitted with rechargeable batteries that ensure the power supply to the impressed current anode in Material losses the case of a power failure.

  • Page 24: Assembling The Appliance

    iNSTallaTiON Installation GNYE 1 Strain relief 2 Terminal X3 f Prepare the cables in such a way that each cable terminates with a wire ferrule. f Push the cables through one of the cable entries in the appli- ance casing. f Route the cables through the strain relief.

  • Page 25: Commissioning

    iNSTallaTiON Commissioning 11. Commissioning 11.1.3 Appliance handover f Explain the appliance function to users and familiarise them with how it works. WARNING Electrocution f Make users aware of potential dangers, especially the risk of Never operate the appliance when the casing is open or scalding.

  • Page 26: Settings

    "Rapid heat-up" but- ton. Material losses Service menu settings shall only be accessed with prior  „ Service menu approval from Stiebel Eltron. …  Integral sensor offset …  Set the cylinder volume To unlock the service menu, you need to connect a service plug …...
  • Page 27 iNSTallaTiON Settings …  Compressor lockout due to evaporator fault …  Number of defrost faults This menu item is only displayed if there is a compressor lockout The number of defrost faults is displayed here. A defrost fault due to fault code E 64. You can clear the lockout by pressing the occurs if the temperature for terminating defrosting, as measured "Rapid heat-up"...

  • Page 28: Appliance Shutdown

    iNSTallaTiON Appliance shutdown 13. Appliance shutdown Example: The set temperature is 65 °C. At an actual temperature of 61 °C, for example due to a critical intake temperature, the appliance detects an unacceptably high hot gas temperature. The Material losses appliance temporarily reduces the set temperature to 61 °C. The If you disconnect the appliance from the power supply, it appliance shuts down.

  • Page 29: Fault Codes

    iNSTallaTiON Troubleshooting Fault Cause f Remedy Fault description Remedy No hot water is The impressed current Replace the impressed current available. anode is faulty. anode. Flash- The appliance has ascertained Check if a DHW circulation line is that the DHW cylinder has not installed and whether it is insulat- The compressor The application limits...

  • Page 30: Operation 14.4 Motor Overload Relay

    iNSTallaTiON Maintenance 14.3 WWK 222 H / WWK 302 H : Resetting the high Fault description Remedy limit safety cut-out E 32 Con- An electrical fault has oc- A1/X2 : Check whether the power If the DHW cylinder is overheated, the high limit safety cut-out tinu- curred.

  • Page 31: Removing The Casing Ring

    iNSTallaTiON Maintenance f Carefully remove the cover. f A cable connects the operating controls to the appliance PCB. The casing ring overlaps along the joint. A tab on one end clips If necessary, disconnect the plug at the back of the program- into the recess at the other end of the casing ring.

  • Page 32: Descaling The Electric Emergency/Booster Heater

    iNSTallaTiON Maintenance 15.5 Descaling the electric emergency/booster 15.8 Replacing the power cable heater WARNING Electrocution Only descale the flange of the emergency/booster heater after The power cable must only be replaced (for example if disassembly. Never treat the inside of the DHW cylinder or the damaged) by a qualified contractor.
  • Page 33 iNSTallaTiON Maintenance The batteries are secured at the back of the programming/control Material losses cover. Make sure that the batteries are inserted properly and the right way round, because otherwise there will be no corrosion protection in the event of interruptions to the power supply.

  • Page 34: Specification

    Specification 16. Specification 16.1 Dimensions and connections 16.1.1 WWK 222 / WWK 222 H WWK 222 WWK 222 H Entry electrical cables Cold water inlet Male thread DHW outlet Male thread T&P valve Female thread Rp 3/4 Rp 3/4 Condensate drain Male thread G 3/4...
  • Page 35 iNSTallaTiON Specification 16.1.2 WWK 302 / WWK 302 H WWK 302 WWK 302 H Entry electrical cables Cold water inlet Male thread DHW outlet Male thread T&P valve Female thread Rp 3/4 Rp 3/4 Condensate drain Male thread G 3/4 G 3/4 Air intake Air discharge Cover for manufacturing aperture www.stiebel-eltron.com ...

  • Page 36: Wiring Diagram

    Specification 16.2 Wiring diagram F 100 mA / 250 V 4,8 V Anode active coat GNYE N´ L´ housing A3 storage tank storage tank nur/only/seulement: WWK 222/302 H 36  |  WWK 222-302 H  www.stiebel-eltron.com...

  • Page 37: Fault Conditions

    iNSTallaTiON Specification Electronic assembly (control unit) Thermostat TSR Resistor Electronic assembly (programming unit) DIP switch (operating mode) Electronic assembly (electrical corrosion protection) DIP switch Capacitor Temperature sensor cylinder top/int. Battery pack Temperature sensor, hot gas Heating element Temperature sensor, air intake High limit safety cut-out TSR Temperature sensor, evaporator Motor overload relay M1...

  • Page 38: Data Table

    Specification 16.4 Data table WWK 222 WWK 222 H WWK 302 WWK 302 H 231209 233209 231211 232905 Hydraulic data Nominal capacity Application limits DHW temperature with heat pump °C Max. DHW temperature with heat pump °C Max. DHW temperature with emergency/booster heater °C High limit safety cut-out °C...
  • Page 39 Rp 3/4 fem.) Rp 3/4 fem.) The output data refers to new appliances with clean heat ex- changers. Nominal data to EN 16147 – heat pump for recirculation air Further details WWK 222 WWK 222 H WWK 302 WWK 302 H 231209 233209 231211 232905 Maximum altitude for...
  • Page 40 NOTES 40  |  WWK 222-302 H  www.stiebel-eltron.com...
  • Page 41 GUARANTEE | ENVIRONMENT AND RECYCLING Guarantee The guarantee conditions of our German companies do not apply to appliances acquired outside of Germany. In countries where our subsidiaries sell our products a guarantee can only be issued by those subsidiaries. Such guarantee is only grant- ed if the subsidiary has issued its own terms of guarantee.
  • Page 42 Who gives the warranty Component Warranty period The warranty is given by Stiebel Eltron (Aust) Pty Ltd Cylinder and condenser 2 years (A.B.N. 82 066 271 083) of 294 Salmon Street, Port Mel- bourne, Victoria, 3207 (“we”, “us” or “our”).
  • Page 43 12.7. An unauthorised person has modified, serviced, repaired Name: Stiebel Eltron (Aust) Pty Ltd or attempted to repair the unit without our consent. Address: 294 Salmon Street, Port Melbourne, 12.8. Non genuine parts other than those manufactured or ap- Victoria, 3207 proved by us have been used on the unit.
  • Page 44 Deutschland Verkauf Tel. 05531 702-110 | Fax 05531 702-95108 | info-center@stiebel-eltron.de STIEBEL ELTRON GmbH & Co. KG Kundendienst Tel. 05531 702-111 | Fax 05531 702-95890 | kundendienst@stiebel-eltron.de Dr.-Stiebel-Straße 33 | 37603 Holzminden Ersatzteilverkauf Tel. 05531 702-120 | Fax 05531 702-95335 | ersatzteile@stiebel-eltron.de Tel.

This manual is also suitable for:

Wwk 222 hWwk 302Wwk 302 h

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